Home / 1,341,456.80-2,012,282.40-807,828.80

Finding the Fourth Proportional to 1,341,456.80, 2,012,282.40 and 807,828.80

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Solution

The fourth proportional to 1,341,456.80, 2,012,282.40 and 807,828.80 is: 1,211,801.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,341,456.80 : 2,012,282.40 = 807,828.80 : x
  2. Step 2: Convert to fraction form
    1,341,456.80/2,012,282.40 = 807,828.80/x
  3. Step 3: Cross multiply
    1,341,456.80x = 2,012,282.40 × 807,828.80
  4. Step 4: Simplify right side
    1,341,456.80x = 1,625,579,676,453.12
  5. Step 5: Solve for x
    x = 1,625,579,676,453.12/1,341,456.80
  6. Step 6: Final answer
    x = 1,211,801.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.